Platinum has 117 neutrons, 78 protons, and 78 electrons. Its atomic mass is approximately 195 a.m.u. Platinum is part of the Transition Metals Group. Platonic oxide and platinum dioxide are both compounds made with platinum. They are white powders that are used in many manufactured goods for various reasons. Home Page: Platinum
Platonic oxide and platinum dioxide are both compounds made with platinum. They are white powders that are used in many manufactured goods for various reasons.